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Molecular Physics | Thermodynamics
When temperature of gas become twice by heating then the gas dissociated from molecular form to atomic form .What will be effect on root mean square velocity
Molecular Physics | Thermodynamics
The pressure exerted by gas is P.If the mass of molecule becomes half and velocity becomes double then pressure will become
Molecular Physics | Thermodynamics
can the specific heat at constant volume be greater than the specific heat at constant pressure. Justify by applying the first law of thermodynamics.
Molecular Physics | Thermodynamics
Can the same Vander Waals' Gas
i) have more than one inversion tempeature?
ii) show both heating and cooling effect?
i) have more than one inversion tempeature?
ii) show both heating and cooling effect?
Molecular Physics | Thermodynamics
A cylinder + piston initially contain 5.10^-3 m^3 of helium gas, at a pressure of 1.00 atm and with a temperature of 50C. The gas is heated and allowed to expand at a constant pressure until its volume is 8x10^-3 m^-3m (Helium is a monatomic gas).
(i) How many moles of helium is contained by the cylinder + piston?
(ii) How much work is done by the gas on the environment during the expansion?
(iii) What is the final temperature of the gas?
(iv) How much head was added during the expansion? (State assumptions you make to calculate this)
(v) What has changed in the internal energy of the gas during the expansion? (State assumptions you make to calculate this)
(i) How many moles of helium is contained by the cylinder + piston?
(ii) How much work is done by the gas on the environment during the expansion?
(iii) What is the final temperature of the gas?
(iv) How much head was added during the expansion? (State assumptions you make to calculate this)
(v) What has changed in the internal energy of the gas during the expansion? (State assumptions you make to calculate this)
Molecular Physics | Thermodynamics
cyclic heat engine draws 350 KJ heat from ?
a source at 1000 K. It supplies 125 KJ of
heat to the low temperature reservoir at
400 K and performs 225 KJ of work. Is this
machine reversible, irreversible, or
impossible ? Why ?
a source at 1000 K. It supplies 125 KJ of
heat to the low temperature reservoir at
400 K and performs 225 KJ of work. Is this
machine reversible, irreversible, or
impossible ? Why ?
Molecular Physics | Thermodynamics
calculate the required electric energy in k joules for an electric refrigator with motor working between 30c and 5c to freez 3kg of water at 0c the latent heat of water-ice is 80 cal/gm
Molecular Physics | Thermodynamics
two different plates A and B are in composit wall each of dimension 20cm*30cm and their thickness are 3cm and 8cm respectively.thermal conductivity are 0.25 and 0.85 in C.G.S system calculate
1-the thermal resistance of each plate
2-if the free end of plate A at temperature 150c and plate B at temperature 20c calculate the heat current through the combination
3-the temperature of the point of junction
4-the temperature gradient of each plate
1-the thermal resistance of each plate
2-if the free end of plate A at temperature 150c and plate B at temperature 20c calculate the heat current through the combination
3-the temperature of the point of junction
4-the temperature gradient of each plate
Molecular Physics | Thermodynamics
calculate the root mean square velocity for oxygen molecules at temperatures 30c
Molecular Physics | Thermodynamics
drive an expression describes the change in entropy by an isobaric thermodynamics process in term of the initial and final voumes of the ideal gas
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#339914 on Dec 2023
#339914 on Dec 2023